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Additional Pictures 

 

This TI-30 was manufactured in October 1978 by
Texas Instruments in Brazil (Date code CIB 4278 wk 42 yr 1978).

The printed circuit board (PCB) of the TI-30 looks very familiar to us.
The single-chip calculator circuit sports a very uncommon JP0981 designation.


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If you have additions to the above article please email: joerg@datamath.org.

Joerg Woerner, November 11, 2009. No reprints without written permission.